The chief executive officer reminds a program manager that a program must deliver a 30% reduction in customer complaints by the end of the year. Where is this expectation documented1?

The chief executive officer reminds a program manager that a program must deliver a 30% reduction in customer complaints by the end of the year. Where is this expectation documented1?
A . Program quality standards
B. Customer management plan
C. Benefits management plan
D. Benefits sustainment plan

Answer: C